Category: 

What is Polypropylene?

Many dishwasher-safe food containers are made of polypropylene.
Polypropylene file holder.
Article Details
  • Written By: Brendan McGuigan
  • Edited By: Niki Foster
  • Last Modified Date: 16 April 2014
  • Copyright Protected:
    2003-2014
    Conjecture Corporation
  • Print this Article
Free Widgets for your Site/Blog
Artists tend to grow up in wealthier households than doctors.  more...

April 24 ,  2005 :  The world's first cloned dog was born.  more...

Polypropylene is a plastic polymer with the chemical formula C3H6. It is used in many different settings, both in industry and in consumer goods, and it can be used both as a structural plastic and as a fiber. This plastic is often used for food containers, particularly those that need to be dishwasher safe.

The melting point of polypropylene is very high compared to many other plastics, at 320°F (160°C), which means that the hot water used when washing dishes will not cause dishware made from this plastic to warp. This contrasts with polyethylene, another popular plastic for containers, which has a much lower melting point. Polypropylene is also very easy to add dyes to, and it is often used as a fiber in carpeting that needs to be rugged and durable, such as that for use around swimming pools or on miniature golf courses. Unlike nylon, which is also often used as a fiber for rugged carpeting, it doesn't soak up water, making it ideal for uses where it will be constantly subject to moisture.

Research is ongoing with polypropylene, as makers experiment with different methods for synthesizing it. Some of these experiments yield the promise of exciting new types of plastic, with new consistencies and a different feel from the fairly rigid version that most people are used to. These new elastic versions are very rubbery, making them even more resistant to shattering and opening up many different uses for an already pervasive plastic.

Ad

Polypropylene is not as sturdy as polyethylene, but it has benefits that make it the better choice in some situations. One of these situations is creating hinges from a plastic, such as a plastic lid on a travel mug. Over time, plastics wear out from the repetitive stress of being opened and shut, and eventually will break. Polypropylene is very resistant to this sort of stress, and it is the plastic most often used for lids and caps that require a hinging mechanism.

Like many plastics, polypropylene has virtually endless uses, and its development has not slowed since its discovery. Whether used for industrial molds, rugged currency, car parts, or storage containers, it is one of a handful of materials the world is literally built around.

Ad

Discuss this Article

anon929044
Post 130

i want to know about polypropylene used in doormat segments

anon350709
Post 126

i wanted to know what material is added to plastic to change it to Polypropylene?

anon321316
Post 122

Would you use polypropylene to manufacture an electric hot water cylinder for domestic use?

anon315197
Post 121

This product is used to make TVT sling mesh to hold a prolapse uterus or hernia problems. I just had one removed from being in me for two years and the pain was just awful. I'm sensitive to antibiotics and had to take them to save my life because it was attacking my organs and my immune system, and I couldn't fight anything.

How do you explain using that for a medical device when they don't allow them in the dumps any longer? Also, if they continue using this, women will be in so much pain that men will have to become celibate as the pain is too excruciating to make love. Plastic doesn't belong in the human body. Now I feel wonderful since it's out and I am the lucky one. Now I have to clean my system with normal herbs and exercise. Don't get that mesh, folks, or you will be in deep trouble. Death was at my door twice this year.

sage1225
Post 119

The radiator core support in my 2006 Ford Freestyle was recently cracked. Is this part made of polyropylene? How can I find out and if it is what type of glue can be used to repair the crack?

The part is quite expensive and I cannot afford to replace it (I am on disability, a fixed income and 65 year old female and really need to get to my doctor ASAP) so I have been without transportation in a rural area. I would appreciate an answer soon if possible.

anon271344
Post 118

How is polypropylene recycled or disposed of safely?

anon268104
Post 117

Where do I find polypropylene cloth? Such as for trampolines?

anon265285
Post 115

Is this polypropylene used to make mesh to help women with proplased uterus or hernias in men. It is not mentioned here.

anon257644
Post 111

How is PP manufactured? With what materials/gases?

anon230179
Post 104

Plastics such as polypropylene and polyethylente can be made to biodegrade in landfills, if an additive is put into them at the time of manufacture. In landfills, it contributes to methane capture, which saves the equivalent to the fuel used in 14 million cars a year.

anon225055
Post 102

To the gentleman looking to "get back into the water":

My name is Luke. I work for my family business which is a company that designs and manufactures protective packaging. We also manufacture OEM and retail products. We work with many different types of foam materials and polymers.

I would be glad to lend my expertise and some time to help you out. You can reach me by looking up Barber Packaging Company. Please don't respond on here because I probably won't re-visit this forum.

anon223176
Post 101

Why is polypropylene IR so hard to find?

anon218885
Post 97

i want to know about the polypropylene market?

anon201016
Post 96

is polypropylene degradable automatically.

anon198380
Post 95

At what point is polypropylene not considered polypropylene when it is blended with polyethylene? At thirty percent pe blend? Forty percent pe blend?

anon180700
Post 94

how recent is polypropylene?

anon156552
Post 93

I'm designing children's placemats and want them as safe as possible. Are Polyethylene And Polypropylene the best, eco friendly materials to use? I'm making sure that they are BPA free. Thanks.

anon145555
Post 90

we are currently installing a leaching plant at our company and we would like to know the advantages and disadvantage of a grey and white polypropylene material for barrels. please help.

anon137785
Post 89

As a 5 year old I remember my father getting third degree burns on his hand while boiling butter and then pouring it onto a plastic carrier which melt off and went directly onto his hands. Thanks now to Polypropylene cookery carriers, this problem has now been taken care of.

anon127267
Post 87

to all those wanting to glue Polypro- this is a very difficult to bond plastic. Your best option is to rough the surfaces (with sandpaper or sandblasting) corona treat the surface if you have access to a corona wand, and then use a two-part epoxy specially formulated for PP- 3m Scotchweld 8010 or 8005.

anon120604
Post 86

When Polypropylene or (one of its derivatives) is used in clothing, does it breathe? Can it be used as rain gear and both keep you dry from the elements and from perspiration?

anon119312
Post 85

Can you please tell me what is the main source of polypropolene? thanks

anon111168
Post 84

I heard that Polypropylene coating for acid tank dikes is a best solution than acid resistant brick / tile lining. Is this idea is correct?

anon107936
Post 83

How safe is polypropylene? It reacts with chlorine. Therefore, hollow fibre membrane filters made of polypropylene, coming into contact with chlorinated water, does it pose any reaction problems?

anon100909
Post 82

I am looking to buy machinery for manufacturing PP bags. can any one recommend good machinery and approx how much i should be looking at paying for a second hand one.

anon100417
Post 81

What is the use of ppr pipes in BSL-3 labs?

anon90005
Post 79

what is a glue for polypropylene copolymer?

anon89768
Post 78

can pp fabric be used in industrial filtration?

anon89665
Post 77

PP is safe for landfill use. You put it in the hole and cover it with some dirt and the PP will not be damaged.

anon84720
Post 76

What causes PP to degrade or become brittle?

anon81944
Post 74

thank you for this article. It cleared up lots of my misunderstanding. --Sohail.

anon81662
Post 73

what is it made of?

anon78529
Post 72

i have a 'keepcup' recyclable coffee mug made from polypropylene. i was assured it was safe, but when i put boiling water in it, it smelt strongly of plastic. is it truly safe?

anon78519
Post 71

How is Polypropylene manufactured?

anon75885
Post 70

what type of bonds does polypropylene have?

anon75191
Post 69

thank you. this article helped me with my assignment on polypropylene. without it i would be stuck.

anon74529
Post 68

if this plastic was eliminated from the landfill could other materials be used to make similar items?

is this a threat to the landfill?

please answer and thanks.

anon68190
Post 66

has polypropylene been studied for safe use in surgical procedures?

anon62565
Post 64

The top of a rotisserie chicken caught on fire in my house and that very small item put soot on all three levels of my town house. It definitely had an oil in the soot and we have been out of our house three weeks while they are cleaning.

I put out the fire and inhaled the smoke and now I have to see a pulmonary specialist. I now have smoke induced bronchitis. Can you tell me the hazards involved when this item burns?

anon57740
Post 62

Please tell me any manufacturer's name who is currently manufacturing polypropylene material. Because we have a very big requirement urgently.

anon54406
Post 60

What glue is used to bond to Polypropylene?

anon53376
Post 59

please for electrical corrugated tubes can I use PE, PP, PVC or PA? Which of them is more advantageous?

anon52991
Post 58

yes polypropylene is 100 percent recyclable.

Oil is not used to make polypropylene. the gas propylene is extracted from oil cracker which is used to make polypropylene.

No, decron is not polypropylene. It is polyester.

anon52989
Post 57

No polypropylene does not contain PVC or bisphenol-A

You can make polypropylene soft article with EPDM rubber or directly purchase TPO for kid play room. it is 100 percent safe.

anon51693
Post 56

Which would be better for a car bumper, polypropylene or polyurethane?

anon51164
Post 54

Can polypropylene be used to absorb oil in water without absorbing the water as well?

anon49935
Post 53

Okay, I'm looking to design and produce a biopsy spatula.

anon48898
Post 52

can this polypropylene be recycled?

anon48628
Post 51

I see polypropylene used as a low tack adhesive sold in sheets and rolls for crafting projects. It adheres to many surfaces without leaving any residue or smearing, is repositionable, and can come in clear and glossy sheets. But is it safe for the skin? As a crafter I handle this material constantly, and I can't seem to find any information on the FDA or manufacturer's website about it either.

anon48358
Post 50

Does anyone know if it makes a suitable greenhouse?

anon47960
Post 49

How is polypropylene related to polypropylene fumarate? Are they chemically similar and do they share the same properties?

anon44777
Post 48

What glue is used to bond Polypropylene to foam?

anon44144
Post 47

does polypropylene changes its color when it comes in contact with any electrolyte?

or when does it change its color -- like in which situation?

anon43533
Post 46

where in the usa can i buy polypropylene?

anon42818
Post 45

we are using flame retardant polypropylene containers for our batteries. In that we are using KOH as electrolyte. our electrodes are nickel and cadmium. in that it is running with a temperature of 70 degrees celcius. so recently we noticed that a layer of yellow colour is forming on the walls of the container. so could anyone please tell if that is a reaction taking place between the electrolyte and pp or is there any fault in the composition of polypropylene?

anon41095
Post 44

What is the advantage of Polypro to PVC? and What is the advantage of PVC over Poly pro?

anon40262
Post 43

where in Canada or USA can I buy Polypropylene?

anon39844
Post 42

Can you glue slate tile to polypropylene vertical wall with silicone?

shallwin
Post 41

if used as a textile can it melt?

anon37768
Post 40

is it true polypropylene can be used for underwear?

anon35336
Post 39

does polypropylene contaminate the production of wool? and if so why does it contaminate the fibres of the wool?

fionakitty
Post 38

Can anyone answer these questions? Especially for the gentleman who would like help in his activities in the ocean?

anon29298
Post 37

Just bought a boat made of the same stuff. It's called a porta bote. Folds up fits on the roof rack of my car.

anon25070
Post 36

which type of polypropylene containers are used in the filling of cyanoacrylate bioadhesives?

anon23859
Post 35

if i want to mixing PP with other material, what material kind that can to coating PP from environment and more strength than only PP?

anon22842
Post 34

I am looking for the best plastic to attract oil which is present in water. I understand the property is oleaphobic and wonder which plastic material is best for this purpose. Can you advise?

dath36
Post 33

What are the filler material possible to be added in injection moulding a polypropylene packing container/capsule?

Can silica be added as a filler, to reduce the cost of a manufacturing packing capsule?

If not what filler material is possible to be added?

anon22524
Post 30

Hello, I have an offer to buy a front bumper for a car. How good could be this kind of material to be use on a car or do this material peels easily with time?

anon18577
Post 29

I am interested in getting some black polypropylene rod or sheet stock to make mouthpieces for smoking pipes. Does anyone have an idea where to find it? All I have been able to find is natural and white.

Thanks,

anon17763
Post 27

so how do you dispose of something that never wears or decomposes?

anon13162
Post 25

What is your feeling of baby bottles being made with this plastic polypropylene?

vignes
Post 24

can i know the price of virgin polypropylene code named S100.F380. its very urgent.

JohnGaron
Post 23

I love the ocean so I moved to Fort Lauderdale. In 1989 I became a quadriplegic. However, nothing was going to stop me from swimming in the ocean.

One day, I gathered a couple of teenagers, and brought them to the beach with me along with a giant queen sized bed sheet. Then they lifted me from my wheelchair, and placed me on the bed sheet.

Three of them dragged me to the water on the sheet until I became fully buoyant. It worked great! Then I started thinking! What if I took a thin sheet of polypropylene, maybe 1/8 of an inch thick, and bent it up slightly in the front and sides to prevent sand from getting on me. Also, drilling two holes on the top where my head will go, and insert nylon anchor rope to use for pulling me into the ocean.

The polypropylene sled would reduce friction, and protect me from the sharp objects that might be hidden in the sand. It really would serve the same purpose as a stretcher used by EMS. I would also like to attach a 24 inch soft plastic rod holding a blue flag with the white ISA (International Symbol of Accessibility a/k/a Wheelchair Symbol) printed on it.

The reason for this, is to pull it up on shore after transferring me into the water, and indicate to the lifeguard it is not going to be used as a flotation device.

It would strictly be used as an ambulatory device to bring an injured party to and from the ocean from an umbrella that the rest of my family would be hanging out. Somebody please help me!

I don't care about patent rights, I just want to get back in the ocean again! I think polypropylene is the right material! Please advise!

John Garon

powers
Post 22

Is is safe to use a polypropylene sediment filter in a reverse osmosis water filtering system? The other two filters in the system are carbon.

anon11794
Post 21

Plastics are completely unsustainable because they all come from oil. We have reached peak oil and we can no longer continue to utilize plastic as excessively as we currently are. We need to think before we purchase products made from plastic and consider whether it's truly worth it.

anon10375
Post 20

is polypropylene used in making toasters? what other plastics are used?

anon9224
Post 18

I think this article is fab and very informative.

anon9199
Post 17

PLA is made from plant resin, and is just as good if not better than those made from fossil fuels. Henry Ford had originally planned to use bio-plastics in his cars. PLA is biodegradable and can be composted.

anon8321
Post 16

As far as I know oil is used to make all plastics. Polypro is very safe, I don't understand how the one person can say plastics are crap, they make up so much of our world today. On the "plastics aren't green" issue what if your car didn't implement so much plastic, you would burn 50x more gas. People need to think before they speak. As for the UV resistance and the winter weather resistance polypro is pretty resistant to most things so I think you both would be good.

anon6330
Post 12

I would like to connect two polypropylene containers together, and am wondering if anyone knows of an epoxy or other glue that will hold them together permanently.

Thanks so much

anon5511
Post 11

During industrial processes Polypropylene is used as building blocks for a wide variety of polyurethane foam products. How is industrial wastewater treated for any contaminants this product may produce?

anon4565
Post 10

no mention of polypropylene gloves and socks which, I keep reading,are suitable for Antarctica but no idea given on where to obtain these !

anon4382
Post 9

I am doing a case study of bio-form bras which also use polypropylene and i was wondering if any one can tell me the environmental effect of using polypropylene in manufacturing.

I have been trying to research it but due to the fact that it is a reasonable new plastic, no one seems to want to list its faults!

thank you

anon4245
Post 8

I'm planning to purchase a swimming pool cover. Some are made using polypropylene and others use polyethylene. Which would be better to use in Michigan in the winter?

Thank You

anon4130
Post 7

So it is plastic. Then how can those non-woven Polypropylene bags call themself "green"?

masconomo
Post 6

Is Dacron the same as polypropylene?

I need UV resistant rope for my flag pole and was told that Dacron fills the bill. Problem is all I can find in Dacron is fishing line. Flag pole companies sell nylon and polypropylene.

anon3460
Post 5

polypropylene is what people sniff and get effects.

anon3283
Post 4

If you are comparing a wool or polypropylene rug, you might like to consider that the polyprop is relatively inert as well as being durable, while the wool has probably been processed using highly toxic chemicals and may cause skin irritation.

anon1932
Post 3

Since it's a plastic, is oil used to make polypropylene?

anon694
Post 2

If you are looking for a soft rug that is safe, I would suggest Wool. Other safe, natural choices would be a woven grass rug. Ultimately, all synthetics and plastics are crap, and are full of harmful chemicals.

anon212
Post 1

Dose Polypropylene contain PVC or bisphenol-A. I am looking for a soft rug for the kids play room/ our office and need the plastic to be safe.

Post your comments

Post Anonymously

Login

username
password
forgot password?

Register

username
password
confirm
email